Lubricant-cup.



G. W. BOWEN.

LUBRICANT CUP. APPLICATION FILED MAY 24, 1909.

Patented Apr. 30, 1912.

UN TE STATEfi' GEORGE W. -BOWEN, F AUBURN, NEW YORK.

LUBRICANT- CUP.

Specification of Letters Patent.

Patented Apr. 39, 1912.

fipplication filed may 24, 1909. Serial I'To. $97,855.

To all iimayroaccm:

Be it known that I, GEORGE W. BOWEN,

' of Auburn, in the county .of Cayuga and State of New York, haveinvented a new and useful LubricantCup, of which the following is aspecification.

My invention has for its object the productienl'of alubricant cup whichis particularly simple in construction and economical in manufacture;and to this end it consists in. theno'vel. features hereinafter setforth and claimed.

*In describing-this invention, reference is had to theaecompanyingdrawing in which like' characters designate corresponding I parts in allthe views.

Figure 1 is an elevation of a lubricant cup embodying my invention. Fig.2 is a vertical sectional-view thereof. Fig. 3 is a plan of,the-detached base of the up. Fig. 4 is w an inverted plan of said base,and Fig. 5 is a detail view of! a modified construction of the base; Y 7

The base ofmy lubricant cup comprises Iafstem memberand ahead, the stemmember 1 being hollow and having its lower end 2 threaded for securementto the partto be lubricated, andi-ts upfperend formed with anon-circular portion 3 and with an annular shoulder 4 at the base .ofthe portion 3.

The intermediate rt 5 of the stem member 1' is of enlarged dlfiJIlGtBIand is angular in cross-section for facilitating its engagement by'awrench 'or similar tool to attach or remove the cup;

-.- Preferably the head of the base comprises upper ant lower metaldisks 6, 7 and an 1ntermediate.relatively soft; disk '8, the. upperdiskfi being of larger diameter than the lower :di kiand having itsperiphery.

threaded, and-the lower disk 7 resting upon the shoulder/i of the stemmember 1. The intermediate disk'8 is formed of suitable flex ibleandfibrous material, as leather, and is ofsubstantially the same diameteras the upper disk 6, the disk 8 forming a-tight joint between-the baseand the cap of the cup for preventing leaking of the lubricant, J theperiphery of such disk 8 conform ng to theinner face of the cap andpressing into the internal threads thereof. The head of the base may besecured to the stem member,

7 as illustrated in Fig. 2, by spinning or otherwise distorting 'the'metal at 9 at the upon' the top facei of the upper disk, theupper end ofthe stem member. laterally combined thickness of the disks 6, 7- and 8being preferably less than the length of the noncircular portion 3 ofthe stem member, and the upper end of saidstem member projecting abovethe top face of the disk 6.

in the walls of the threaded central openings of said disks. Y

The cap 0 of my lubricant cup is formed open at one end for receivingthe base and is provided with .internal threads 12 which engage thethreads of the upper disk 6 and the periphery of the intermediate disk8.

What I claim is 11. In a lubricant cup, a cap having a threaded innerface, and a base comprising a hollowstem and a head, .the stem having anon-circular upper portion and a peripheral shoulder projecting from thelower part of said portion, and the head consisting of a pair of spacedapart metal disks of unequal diameter,and an'intermediate disk offlexible fibrous material, said disks having central openingscorresponding to the non-circular portion of the stem and being metaldisk of smaller diameter engaging the peripheral shoulder of thestem,and a space being interposed between the periphery of said disk andthe inner face of the cap, the metal disk of larger diameter having athreaded periphery coacting with the threaded inner face of the cap, andthe intermediate disk of'flexible fibrous material being ofsubstantially the same diameter as the metal disk of larger diameter,and

pressing into the threads of the inner face of the cap, the margin ofthe intermediate disk extending with its lower-face normally in a planesubstantially coincident with the face of the metal disk. of smaller divand the lower face of said marginl pp ameter, beingfree to enter thespace between the periphery of said disk of smaller diameter and theinner face of the cap, said non-cire mounted on said non-circularportion, the

ing central openings for receiving said up-' per portion of the stem andbeing nonrotatably mounted thereon, the metal disk of smaller diameterengaging the peripheral shoulder of the stem, and a space beinginterposed between the periphery of said disk and the inner face of thecap, the metal.

disk of larger diameter having a threaded periphery coacting with thethreaded inner face of the cap, and the intermediate disk of flexiblefibrous material being of substanthreads of the inner face of the cap,the

margin of the intermediate disk extending with its lower face normallyin a plane substantially coincident with the upper face of the metaldisk of smaller diameter, and the lower face of said margin being freeto enter the space between the periphery of said disk of smallerdiameter and the inner face of the cap, and the stem having meansassociated therewith for holding the three disks in position toward theshoulder.

In testimony whereof, I have hereunto signed my name in the presence oftwo attesting witnesses, at Auburn, in the county of Cayuga, in theState of New York, this 17th day of May, 1909.

GEORGE w. BOWEN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, D. G.

